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Background: The Sprint National Anaesthesia Project reported feedback from adults but not from children. We developed questionnaires for children and parents, and conducted a survey of perioperative anesthetic experiences in a large pediatric hospital., Methods: Patients undergoing elective general anesthesia were selected randomly each weekday over 10 weeks. Parents and children were approached within 4 hours after awakening, and were asked to complete a short questionnaire. Personal or patient identifiable data were not collected. Questionnaires were processed by optical mark reading technology and descriptive data analysis was performed., Results: Seven hundred and forty parents and 250 children completed questionnaires. The most common symptoms reported by parents were thirst and hunger (76%), drowsiness (75%), sore throat (41%), and pain of the surgery (38%). Sixty-four percent of children felt worried or scared about something before the procedure: common worries were about the "anesthetic," "procedure," or "needles/cannula." Fifty-five percent reported postoperative pain. Thirty-nine children (15.6%) remembered something between going to sleep and waking up although distress was not reported; of these, the most common experiences remembered included hearing voices (34%), feeling sore (20%), and being worried (14%). Twenty-two parents (2.9%) had any complaint and most were about fasting instructions. Only 3 parents would not recommend the anesthetic service., Conclusion: This study shows that the experiences of children and their parents are similar to those of adults reported by the Sprint National Anaesthesia Project. Thirst (and hunger), anxiety, and pain continue to be common problems for many children. This feedback may help direct interventions and research to improve the pediatric patient and parent experience with anesthesia., (© 2017 John Wiley & Sons Ltd.)

Background: Positioning a tracheal tube (TT) to the correct depth in preterm infants is challenging. Currently, there is no reliable single-predictor model for neonates applicable to the whole range of size or age., Objective: In this study, we used post-mortem magnetic resonance imaging (PMMRI) of preterm infants to measure tracheal dimensions and to develop a clinical guide for TT positioning., Methods: We measured tracheal length (TL) and tracheal diameter (TD) in a cohort of normal neonates and foetuses that underwent PMMRI (cause of death unexplained). The distance between the lips and the mid-tracheal point, i.e., the mid-tracheal length (mid-TL), and the TD measurement were obtained. We produced univariate prediction models of mid-TL and TD, using gestational age (GA), foot length (FL), crown-rump length (CRL) and body weight (BW) as potential predictors, as well as multiple prediction models for mid-TL., Results: Tracheal measurements were performed in 117 cases, with a mean GA of 28.8 weeks (range 14-42 weeks). The best linear association was between mid-TL and FL (mid-TL = FL × 0.914 + 1.859; R2 = 0.94), but was improved by multivariate regression models. We developed a prediction tool using only GA and BW (R2 = 0.92), and all four predictors (GA, BW, FL and CRL; R2 = 0.94) which is now available as a web-based application via the Internet., Conclusion: Post-mortem imaging data provide estimates of TT insertion depth. Our prediction tool based on age and BW can be used at the bedside and is ready to be tested in clinical practice., (© 2017 S. Karger AG, Basel.)

Anesthesia techniques in children undergoing short painful oncology procedures should allow rapid recovery without side effects. We compared the recovery characteristics of two anesthetic techniques: propofol with sevoflurane and nitrous oxide and a total IV technique using propofol and remifentanil. Twenty-one children, undergoing two similar painful procedures within 2 wk were studied in a single-blind manner within patient comparison. The order of the techniques was randomized. Propofol and remifentanil involved bolus doses of both propofol 3-5 mg/kg and remifentanil 1-4 microg/kg. Propofol with sevoflurane and nitrous oxide involved propofol 3-5 mg/kg with 2%-8% sevoflurane and 70% nitrous oxide. The primary outcome variable was the time taken to achieve recovery discharge criteria; other recovery characteristics were also noted. The mean age of the children was 6.5 yr (range, 2.5-9.8 yr). Nineteen had lymphoblastic leukemia and two had lymphoma. All children had intrathecal chemotherapy and one had bone marrow aspiration. Most procedures lasted <4 min. The mean time to achieve recovery discharge criteria was appreciably shorter after propofol and remifentanil than propofol with sevoflurane and nitrous oxide by nearly 19 min (P = 0.001). All other time comparisons had similar trends and statistical differences. Seven parents expressed a preference for the propofol and remifentanil technique compared with one preferring propofol with sevoflurane and nitrous oxide. Children are apneic during the procedure and require respiratory support from an anesthesiologist. Discharge readiness from the recovery ward was achieved on average 19 min earlier after propofol with remifentanil compared with the combination of propofol, sevoflurane and nitrous oxide. Parents more often preferred propofol with remifentanil.